ZA935179B - Increasing the particle size of polymers - Google Patents

Increasing the particle size of polymers

Info

Publication number
ZA935179B
ZA935179B ZA935179A ZA935179A ZA935179B ZA 935179 B ZA935179 B ZA 935179B ZA 935179 A ZA935179 A ZA 935179A ZA 935179 A ZA935179 A ZA 935179A ZA 935179 B ZA935179 B ZA 935179B
Authority
ZA
South Africa
Prior art keywords
pct
polymers
increasing
particle size
sec
Prior art date
Application number
ZA935179A
Inventor
John Macdonald Liddell
Neil George
Original Assignee
Zeneca Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zeneca Ltd filed Critical Zeneca Ltd
Publication of ZA935179B publication Critical patent/ZA935179B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/62—Carboxylic acid esters
    • C12P7/625—Polyesters of hydroxy carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones

Abstract

PCT No. PCT/GB93/01465 Sec. 371 Date Jan. 24, 1995 Sec. 102(e) Date Jan. 24, 1995 PCT Filed Jul. 13, 1993 PCT Pub. No. WO94/02622 PCT Pub. Date Feb. 3, 1994Polyester particles in suspension in a liquid can be agglomerated below their melting points and the agglomerated particles are more easily filtered.
ZA935179A 1992-07-24 1993-07-16 Increasing the particle size of polymers ZA935179B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929215791A GB9215791D0 (en) 1992-07-24 1992-07-24 Increasing the particle size of polymers

Publications (1)

Publication Number Publication Date
ZA935179B true ZA935179B (en) 1994-04-19

Family

ID=10719261

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA935179A ZA935179B (en) 1992-07-24 1993-07-16 Increasing the particle size of polymers

Country Status (16)

Country Link
US (1) US5798440A (en)
EP (1) EP0652969B1 (en)
JP (1) JP3773526B2 (en)
AT (1) ATE139573T1 (en)
AU (1) AU677787B2 (en)
BR (1) BR9306756A (en)
CA (1) CA2137794A1 (en)
DE (1) DE69303282T2 (en)
DK (1) DK0652969T3 (en)
FI (1) FI107541B (en)
GB (1) GB9215791D0 (en)
NO (1) NO950241D0 (en)
NZ (1) NZ254186A (en)
RU (1) RU2127313C1 (en)
WO (1) WO1994002622A1 (en)
ZA (1) ZA935179B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2197782A1 (en) * 1994-08-18 1996-02-29 John Macdonald Liddell Production of polymers of hydroxyalkanoic acids
GB9525932D0 (en) * 1995-12-16 1996-02-21 Zeneca Ltd Polyester particles
GB9526388D0 (en) * 1995-12-22 1996-02-21 Zeneca Ltd Hot shaping polymers
US6699963B2 (en) * 2002-03-18 2004-03-02 The Procter & Gamble Company Grinding process for plastic material and compositions therefrom
TW200508393A (en) * 2003-01-20 2005-03-01 Kaneka Corp Method of collecting highly pure polyhydroxyalkanoate from microbial cells
ES2624527T3 (en) 2008-12-09 2017-07-14 Kaneka Corporation Process for producing poly-3-hydroxyalkanoate and agglomerate of poly-3-hydroxyalkanoate
WO2017221755A1 (en) 2016-06-23 2017-12-28 株式会社カネカ Method for producing polyhydroxyalkanoic acid
EP3527609B1 (en) * 2016-10-13 2021-09-08 Kaneka Corporation Method for producing polyhydroxyalkanoic acid
US20230102977A1 (en) * 2020-03-02 2023-03-30 Kaneka Corporation Method for producing polyhydroxyalkanoate and use of same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0046335A3 (en) * 1980-08-18 1982-03-10 Imperial Chemical Industries Plc Extraction of poly(beta-hydroxybutyric acid)
AT395319B (en) * 1990-10-05 1992-11-25 Danubia Petrochem Polymere METHOD FOR OBTAINING A POLYHYDROXYALKANOATE FROM THE CELL MATERIAL OF A MICROORGANISM AND POLYHYDROXYALKANOATE FLAKES

Also Published As

Publication number Publication date
EP0652969B1 (en) 1996-06-19
NO950241L (en) 1995-01-23
BR9306756A (en) 1998-12-08
AU4576593A (en) 1994-02-14
EP0652969A1 (en) 1995-05-17
JP3773526B2 (en) 2006-05-10
DE69303282T2 (en) 1996-11-28
US5798440A (en) 1998-08-25
DE69303282D1 (en) 1996-07-25
FI107541B (en) 2001-08-31
FI950284A0 (en) 1995-01-23
AU677787B2 (en) 1997-05-08
GB9215791D0 (en) 1992-09-09
FI950284A (en) 1995-01-23
NZ254186A (en) 1996-11-26
RU2127313C1 (en) 1999-03-10
RU95104935A (en) 1997-06-10
ATE139573T1 (en) 1996-07-15
JPH07509131A (en) 1995-10-12
CA2137794A1 (en) 1994-02-03
NO950241D0 (en) 1995-01-23
DK0652969T3 (en) 1996-10-21
WO1994002622A1 (en) 1994-02-03

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